Current Stable Release: OpenCPN 5.6.2 Maintenance Release April 22, 2022

Read the Update Summaries.

• OpenCPN 5.5.9 released on October 2, 2021.
• OpenCPN 5.2.4 released on October 18, 2020. Bug Fix, Graphical & UI Improvements.
• OpenCPN 5.2.0 Summary released on July 15 , 2020.
• OpenCPN 5.0.0 Summary released on March 23, 2019.

Other Resources

• Epub Book - Summary New features.
• Exploring OpenCPN (v4) Required reading YachtValhalla's PDF Tutorial for the new user starting up.

• OpenCPN-4.8.2.7z (doc482.7z) 20mb HTML files and directories. Uncompress into a new folder and use your browser to access the help files.
• OpenCPN-4-8-6-Sept-18-18-compress-lossy-2-70pc.epub mb (16mb) Epub Book Reader can be used Calibre Reader or Firefox Epub Extension
• OpenCPN-4-8-6-Sept-18-18-medium-compressed.pdf (25mb) PDF OpenCPN User Manual Download
• Android OpenCPN User Manual App by David Register from Google Playstore. It has an embedded eBook reader.

Another technique is to use HTTrack Website Copier and download/mirror the html help files. Download it and make mirror a copy of the current manual to your computer. Don't forget too add filters so that file links are not downloaded! See FAQ For example, add file filters for -*.zip, -*.7z and any other linked files you do not want downloaded.

Getting started using OpenCPN consists of 4 basic steps:

• OpenCPN Installation Will lead you through installing OpenCPN on your particular OS and computer.
• Chart Installation of Charts to be read by OpenCPN (OpenCPN does not include charts)
• Charts Basic Features - Main Source for using charts
• GPS Setup to communicate with your computer and OpenCPN (Optional, but very useful) Completing these 4 steps will get you started and allow you to check out the program.

Also for new Users see PDF Tutorial for the new user Exploring OpenCPN (v4)

For help from a large community of Users Cruisers Forum.

For Advanced users with programming experience we recommend the Developers Manual.